Use the Easy Java Simulations Modeling and Authoring Tool to edit and to explore the source code for the Phases of the Moon JS Model.

The Phases of the Moon JS Model was modified to produce the Earth Phases JS Model.

The Lunar Month JS Model shows the phases of the Moon without showing their cause.  The Phases of the Moon JS Model shows the Earth, Moon, and Sun and how the phases are created by the orientation of the Sun, Moon, and Earth.